Earl's Straight Adapter Fitting -10 AN Male to 1/2 in NPT Male - Black Large 625 in Guide OD

625 in Guide OD

and throttle response is improved by up to 30%

1955-1955 GMC 250-22

10/10 Spline

MLS Exhaust Manifold Gaskets maintain a torque set and resist corrosion

Earl's Straight Adapter Fitting -10 AN Male to 1/2 in NPT Male - Black Large 625 in Guide ODMilitary Spec Type III Hard Anodized Construction. Available for Any Plumbing Situation and Many Custom Applications. AN Adapter side seals on the flare (cone) not the threads. DO NOT overtorque. Features: Hard Anodized Aluminum Coating Penetrates Aluminum For Wear and Corrosion Resistance Made in the USA Available for Any Plumbing Situation and Many Custom Applications Provides An Aggressive Look Last Twice As Long As Traditional Anodized